>Although Date now defines 1NF differently, I think he has been>consistent in defining "normalization" to be equivalent to 1NF. p149

Reading for comprehension would help!

For example, there is this
(<http://www.dbdebunk.com/page/page/622124.htm>):
Chris Date Responds: Normal forms--Classical normalization theory
admits of no level of normalization higher than fifth. Fifth is
final, for reasons explained in AN INTRODUCTION TO DATABASE SYSTEMS."